recode: Fix build on Snow Leopard and earlier

textproc/recode/Portfile

@@ -28,6 +28,11 @@ depends_test        port:py27-cython
 depends_lib         port:gettext \
                     port:libiconv
 
+if {[string match *gcc* ${configure.compiler}]} {
+    patchfiles-append \
+                    pragma.patch
+}
+
 post-destroot {
     delete ${destroot}${prefix}/lib/charset.alias
     delete ${destroot}${prefix}/share/info/dir

textproc/recode/files/pragma.patch

@@ -0,0 +1,30 @@
+Fix "#pragma GCC diagnostic not allowed inside functions"
+--- src/dump.c.orig	2018-01-30 08:58:01.000000000 -0600
++++ src/dump.c	2018-03-11 06:35:23.000000000 -0500
+@@ -94,10 +94,7 @@
+
+       /* Write formatted value.  */
+
+-#pragma GCC diagnostic push
+-#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+       sprintf (buffer, format_table[base][byte_count], value);
+-#pragma GCC diagnostic pop
+       for (cursor = buffer; *cursor; cursor++)
+ 	put_byte (*cursor, subtask);
+
+--- src/names.c.orig	2018-01-30 15:57:53.000000000 -0600
++++ src/names.c	2018-03-11 06:34:30.000000000 -0500
+@@ -905,13 +905,10 @@
+
+ 	    /* FIXME: Trailing space elimination is not always effective.  */
+
+-#pragma GCC diagnostic push
+-#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+ 	    if (ucs2 >= 0)
+ 	      printf (format, code);
+ 	    else if (mnemonic || counter2 != 112)
+ 	      fputs (blanks,  stdout);
+-#pragma GCC diagnostic pop
+
+ 	    if (mnemonic)
+ 	      printf (counter2 == 112 ? " %s\n" : " %-3s", mnemonic);